WATERTOWN RGNL AP, SOUTH DAKOTA

Monthly Total Growing Degree Days

(398932)

Base Temperature = 50 F

File last updated on Apr 4, 2013
*** Note *** Provisional Data *** After Year/Month 201303
a = 1 day missing, b = 2 days missing, c = 3 days, ..etc..,
z = 26 or more days missing, A = Accumulations present
Long-term means based on columns; thus, the monthly row may not
sum (or average) to the long-term annual value.
Months with 5 missing days or less use mean for missing day(s)
Individual Months not used for annual or monthly statistics if more than 5 days are missing.
Individual Years not used for annual statistics if any month in that year has more than 5 days missing.
YEAR(S JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC ANN
1893 0.00 0.00 0.00 5.00 201.50 b 198.00 r 0.00 z 0.00 z 0.00 z 0.00 z 6.50 0.00 213.00
1894 0.00 0.00 6.50 102.93 a 232.00 656.25 b 0.00 z 0.00 z 0.00 z 0.00 z 0.00 o 0.00 997.68
1895 0.00 b 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1896 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1897 0.00 z 0.00 z 0.00 b 30.00 184.50 332.59 a 590.00 391.50 455.00 80.50 0.00 0.00 2064.09
1898 0.00 0.00 0.00 48.00 163.00 436.50 549.50 505.50 309.00 31.50 2.00 0.00 2045.00
1899 0.00 0.00 0.00 63.50 185.00 416.50 551.00 579.50 155.50 37.50 2.50 0.00 1991.00
1900 0.00 0.00 0.00 116.50 297.50 505.00 559.50 737.00 268.00 159.00 0.00 0.00 b 2642.50
1901 0.00 a 0.00 0.00 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1902 0.00 e 0.00 b 0.00 z 24.50 231.47 a 311.38 a 584.50 357.00 h 106.00 n 41.85 a 1.07 b 0.00 a 1194.77
1903 0.00 0.00 0.00 10.86 a 203.50 358.00 509.84 c 445.37 a 210.52 a 34.74 b 6.21 a 0.00 a 1779.03
1904 0.00 0.00 0.00 c 22.24 a 143.50 361.00 444.33 a 441.75 a 240.54 b 78.50 0.00 0.00 1731.86
1905 0.00 c 0.00 7.50 34.00 114.50 360.58 d 493.50 598.00 343.50 83.00 0.00 b 0.00 2034.58
1906 0.00 g 0.00 a 0.00 a 46.55 a 217.00 338.00 463.50 519.50 321.50 55.50 0.00 0.00 1961.55
1907 0.00 a 0.00 7.23 a 0.00 c 46.50 b 305.00 i 508.73 c 509.29 c 173.50 21.00 h 0.00 0.00 1245.25
1908 0.00 0.00 b 0.00 a 81.96 b 193.50 332.22 c 425.00 f 481.57 b 456.50 90.00 0.00 0.00 1635.76
1909 0.00 0.00 0.00 a 6.00 215.50 473.50 612.00 596.00 f 313.50 112.93 c 15.50 0.00 1748.93
1910 0.00 0.00 61.00 140.00 115.50 500.50 678.50 520.50 292.00 178.00 0.00 z 0.00 2486.00
1911 0.00 0.00 9.00 f 41.00 363.50 622.76 a 569.50 456.00 275.00 16.50 0.00 0.00 2344.26
1912 0.00 0.00 0.00 55.50 196.00 357.00 574.50 464.50 266.79 b 66.00 5.00 0.00 1985.29
1913 0.00 0.00 0.00 a 68.50 148.50 531.50 533.50 659.00 336.00 62.50 1.00 0.00 2340.50
1914 0.00 0.00 0.00 52.50 235.00 453.50 696.00 520.00 290.50 159.50 11.00 0.00 2418.00
1915 0.00 0.00 0.00 185.00 122.00 297.50 437.50 394.50 248.50 67.50 3.50 0.00 1756.00
1916 0.00 0.00 0.00 9.00 181.00 284.00 800.50 544.00 253.00 36.50 5.00 0.00 2113.00
1917 0.00 0.00 0.00 0.50 134.50 316.00 671.67 a 483.60 a 237.00 5.50 1.50 0.00 1850.27
1918 0.00 0.00 4.00 5.50 240.50 439.50 520.50 606.50 189.50 143.50 0.00 0.00 2149.50
1919 0.00 0.00 1.00 27.50 232.50 544.50 716.50 606.50 385.00 52.00 0.00 0.00 2565.50
1920 0.00 0.00 2.50 0.00 204.00 469.50 605.00 530.00 402.00 205.50 0.00 0.00 2418.50
1921 0.00 0.00 13.50 71.50 280.50 665.00 718.00 590.00 296.00 65.50 0.00 0.00 2700.00
1922 0.00 0.00 0.00 14.00 276.00 532.50 570.50 717.50 428.50 134.00 0.00 0.00 2673.00
1923 0.00 0.00 0.00 57.50 244.50 515.50 722.00 531.50 383.50 85.50 0.00 0.00 2540.00
1924 0.00 0.00 0.00 43.00 65.50 351.50 535.00 326.50 199.50 154.00 1.00 0.00 1676.00
1925 0.00 0.00 10.00 110.50 195.00 409.00 534.00 634.00 392.50 0.00 a 0.00 0.00 2285.00
1926 0.00 0.00 0.00 82.00 355.50 349.00 628.50 566.00 219.50 49.50 0.00 0.00 2250.00
1927 0.00 0.00 0.00 40.00 96.00 371.50 488.50 436.00 392.00 95.00 0.00 0.00 1919.00
1928 0.00 0.00 11.00 20.50 296.50 311.50 626.50 586.00 220.00 86.00 0.00 0.00 2158.00
1929 0.00 0.00 0.00 37.50 183.00 406.50 671.50 610.00 207.50 72.50 0.00 0.00 2188.50
1930 0.00 0.00 0.50 78.50 199.00 444.50 795.00 726.50 307.50 110.00 6.00 0.00 2667.50
1931 0.00 0.00 0.00 113.00 221.50 656.50 775.50 620.00 531.00 116.50 10.50 0.00 3044.50
1932 0.00 0.00 1.00 44.50 309.00 597.00 733.00 674.00 299.50 62.00 0.50 0.00 2720.50
1933 0.00 0.00 0.00 50.00 260.00 802.50 813.00 623.50 486.50 81.50 1.00 0.00 3118.00
1934 0.00 0.00 0.00 70.50 572.00 624.50 799.50 609.00 199.00 176.50 2.00 0.00 3053.00
1935 0.00 0.00 5.50 34.50 136.50 394.50 866.00 660.00 389.50 66.50 0.00 0.00 2553.00
1936 0.00 0.00 0.00 42.50 400.00 525.00 969.00 746.50 449.50 67.00 0.00 0.00 3199.50
1937 0.00 0.00 0.00 17.50 298.00 458.50 744.00 803.00 357.00 60.50 0.00 0.00 2738.50
1938 0.00 0.00 3.50 105.00 164.00 497.50 706.00 752.00 413.00 209.00 11.50 0.00 2861.50
1939 0.00 0.00 43.00 85.00 427.00 503.00 730.00 633.50 443.50 76.00 0.00 0.00 2941.00
1940 0.00 0.00 0.00 13.80 e 192.64 c 442.50 741.00 503.00 420.00 135.50 0.50 0.00 c 2448.94
1941 0.00 0.00 0.00 91.00 330.50 456.50 649.34 c 654.00 344.50 46.50 0.00 4.00 2576.34
1942 0.00 0.00 0.00 115.50 128.00 390.00 563.00 550.00 216.00 91.00 0.00 f 0.00 2053.50
1943 0.00 0.00 16.00 30.50 143.00 456.00 714.50 612.00 185.50 94.00 0.00 0.00 2251.50
1944 0.00 0.00 0.00 8.50 369.50 465.00 609.50 550.00 179.50 h 69.50 7.00 0.00 2079.00
1945 0.00 0.00 20.50 16.00 107.50 286.50 601.50 587.00 250.00 65.50 0.00 0.00 1934.50
1946 0.00 0.00 26.00 89.50 135.50 472.50 652.50 520.00 247.00 44.50 0.00 0.00 2187.50
1947 0.00 0.00 0.00 36.50 99.00 345.50 613.00 767.50 331.50 184.50 0.00 0.00 2377.50
1948 0.00 0.00 0.00 58.00 175.50 382.50 674.00 599.00 401.00 41.00 4.00 0.00 2335.00
1949 0.00 0.00 0.00 64.50 296.50 489.00 682.50 680.00 185.00 75.00 1.50 0.00 2474.00
1950 0.00 0.00 0.00 a 0.00 147.50 460.50 516.50 449.00 279.00 87.50 0.00 0.00 1940.00
1951 0.00 0.00 0.00 53.00 229.00 308.00 562.50 489.50 178.00 94.00 0.00 0.00 1914.00
1952 0.00 0.00 0.00 102.00 179.00 536.50 640.50 557.50 376.50 23.50 0.00 0.00 2415.50
1953 0.00 0.00 0.00 14.50 206.00 497.00 601.50 654.50 285.00 185.50 8.50 0.00 2452.50
1954 0.00 0.00 0.00 37.00 112.00 448.50 686.00 580.50 266.00 34.00 5.00 0.00 2169.00
1955 0.00 0.00 0.00 105.00 346.00 426.00 764.00 701.12 a 310.00 110.00 0.00 0.00 2762.12
1956 0.00 0.00 0.00 0.50 215.00 615.00 546.50 574.00 226.50 150.00 0.00 0.00 2327.50
1957 0.00 0.00 0.00 64.50 139.00 398.50 783.00 579.00 211.00 78.00 0.00 0.00 2253.00
1958 0.00 0.00 0.00 27.00 275.50 303.00 543.50 645.00 353.50 128.00 0.00 0.00 2275.50
1959 0.00 0.00 0.00 32.50 216.00 572.50 672.50 722.00 322.00 18.50 0.00 0.00 2556.00
1960 0.00 0.00 0.00 35.00 213.50 388.00 684.00 643.50 321.50 91.50 0.00 0.00 2377.00
1961 0.00 0.00 4.00 14.50 145.00 512.00 592.00 717.50 225.50 77.00 1.00 0.00 2288.50
1962 0.00 0.00 0.00 45.50 241.00 446.00 548.50 609.00 197.50 106.00 0.00 0.00 2193.50
1963 0.00 0.00 21.50 50.50 201.00 562.50 663.00 596.00 348.00 239.50 0.00 0.00 2682.00
1964 0.00 0.00 0.00 62.50 278.00 502.50 0.00 z 506.50 215.50 62.00 5.00 0.00 1632.00
1965 0.00 0.00 0.00 25.00 221.50 429.00 639.00 553.00 81.00 75.00 3.00 0.00 2026.50
1966 0.00 0.00 2.00 6.00 162.50 470.50 796.50 487.00 247.50 51.00 0.00 0.00 2223.00
1967 0.00 0.00 22.50 22.50 140.50 412.50 568.00 518.73 a 299.00 77.50 0.00 0.00 2061.23
1968 0.00 0.00 16.50 43.00 116.00 473.50 589.50 562.50 253.00 63.00 0.00 0.00 2117.00
1969 0.00 0.00 0.00 30.00 242.50 270.50 606.05 a 663.00 332.50 29.00 1.00 0.00 2174.55
1970 0.00 0.00 0.00 48.00 224.50 532.00 683.00 632.00 331.50 64.00 0.00 0.00 2515.00
1971 0.00 0.00 0.00 58.00 144.00 570.50 530.00 620.00 277.50 73.00 0.00 0.00 2273.00
1972 0.00 0.00 0.00 3.50 274.00 466.50 566.00 587.50 259.50 56.00 0.00 0.00 2213.00
1973 0.00 0.00 0.00 32.50 191.00 504.50 657.50 752.00 235.50 143.50 0.00 0.00 2516.50
1974 0.00 0.00 0.00 60.00 131.00 458.50 804.50 499.50 198.00 71.00 0.00 0.00 2222.50
1975 0.00 0.00 0.00 1.00 248.50 458.00 789.00 604.50 183.00 94.50 14.50 0.00 2393.00
1976 0.00 0.00 3.00 54.50 191.00 573.00 766.50 722.00 345.00 75.50 0.00 0.00 2730.50
1977 0.00 0.00 1.00 137.00 456.50 535.00 697.00 450.50 271.00 18.50 3.50 0.00 2570.00
1978 0.00 0.00 1.50 14.50 239.00 476.50 633.50 652.00 442.50 52.00 8.00 0.00 2519.50
1979 0.00 0.00 0.00 29.50 130.50 449.50 638.00 532.00 361.00 28.50 0.00 0.00 2169.00
1980 0.00 0.00 0.00 89.00 304.00 494.50 651.00 548.50 289.50 67.50 2.50 0.00 2446.50
1981 0.00 0.00 1.50 80.50 187.00 468.00 671.00 600.00 312.50 34.50 0.50 0.00 2355.50
1982 0.00 0.00 0.00 49.50 243.00 322.50 702.50 604.00 258.50 38.00 0.00 0.00 2218.00
1983 0.00 0.00 0.00 13.50 121.00 436.00 782.50 812.50 326.00 25.00 0.00 0.00 2516.50
1984 0.00 k 0.00 0.00 9.00 167.00 476.50 667.50 652.50 211.00 117.50 0.00 0.00 2301.00
1985 0.00 0.00 0.00 115.00 351.50 384.50 0.00 z 0.00 z 274.00 24.00 0.00 0.00 1149.00
1986 0.00 0.00 17.50 35.50 256.50 560.50 703.50 487.50 229.50 52.00 0.00 0.00 2342.50
1987 0.00 0.00 7.00 157.50 424.00 636.00 784.50 571.00 335.00 33.00 8.50 0.00 2956.50
1988 0.00 0.00 0.00 68.00 426.00 743.00 809.00 708.50 337.50 30.50 0.00 0.00 3122.50
1989 0.00 0.00 1.50 78.50 240.00 437.50 773.50 627.50 310.50 106.50 0.00 0.00 2575.50
1990 0.00 0.00 2.50 101.50 187.00 511.00 590.50 595.50 428.00 57.00 12.93 a 0.00 2485.93
1991 0.00 0.00 1.00 70.00 364.50 597.00 652.50 621.00 320.00 65.00 0.00 0.00 2691.00
1992 0.00 0.00 0.00 60.50 297.00 400.50 398.50 418.50 265.50 84.00 0.00 0.00 1924.50
1993 0.00 0.00 0.00 15.50 187.50 361.50 562.50 573.00 168.00 51.00 0.00 0.00 1919.00
1994 0.00 0.00 0.00 49.00 376.00 528.00 595.00 512.50 348.00 69.00 1.00 0.00 2478.50
1995 0.00 0.00 6.50 0.00 129.50 536.00 655.00 699.50 275.50 48.00 0.00 0.00 2350.00
1996 0.00 0.00 0.00 13.00 g 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1997 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1998 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1999 0.00 z 0.00 z 8.78 a 38.00 234.00 462.41 a 702.50 596.00 234.00 44.43 a 6.21 a 0.00 2326.34
2000 0.00 0.00 a 11.00 42.50 261.00 437.00 637.50 608.00 320.50 100.00 4.00 0.00 2421.50
2001 0.00 b 0.00 0.00 80.50 236.00 479.00 739.50 645.50 314.50 42.50 16.50 0.00 2554.00
2002 0.00 0.00 0.00 57.00 145.50 579.50 780.50 572.50 358.50 18.00 0.00 0.00 a 2511.50
2003 0.00 a 0.00 4.00 73.50 153.50 430.00 652.00 669.00 271.00 150.00 0.00 0.00 2403.00
2004 0.00 0.00 0.00 z 57.50 177.00 352.50 580.00 427.00 399.50 73.50 1.50 0.00 2068.50
2005 0.00 0.00 6.50 79.50 217.00 555.50 716.50 586.50 426.50 69.50 3.00 0.00 2660.50
2006 0.00 0.00 4.00 89.50 251.00 517.50 779.00 629.50 200.50 76.50 9.50 0.00 2557.00
2007 0.00 0.00 7.00 81.50 318.00 550.00 737.50 576.50 344.50 94.50 1.50 0.00 2711.00
2008 0.00 0.00 0.00 16.50 136.50 385.50 655.00 596.50 282.00 32.50 12.00 0.00 2116.50
2009 0.00 0.00 2.50 33.50 196.50 388.00 486.00 479.00 372.00 0.00 0.50 0.00 1958.00
2010 0.00 0.00 6.50 77.00 243.00 464.00 658.50 709.00 228.50 89.50 6.50 0.00 2482.50
2011 0.00 0.00 0.00 8.00 168.50 442.50 782.00 606.50 260.50 166.00 0.00 0.00 2434.00
2012 0.00 0.00 85.00 56.00 284.50 566.00 844.00 571.00 304.00 27.50 0.00 0.00 2738.00
2013 0.00 0.00 0.00 a 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
Period of Record Statistics
MEAN 0.00 0.00 4.25 50.97 221.92 463.02 652.42 587.41 298.69 78.89 2.18 0.04 2380.96
S.D. 0.00 0.00 11.43 37.26 88.78 99.96 104.17 93.28 82.40 47.79 3.84 0.37 326.54
SKEW 0.00 0.00 4.73 0.87 1.01 0.48 0.11 -0.06 0.28 1.02 1.99 10.54 0.19
MAX 0.00 0.00 85.00 185.00 572.00 802.50 969.00 812.50 531.00 239.50 16.50 4.00 3199.50
MIN 0.00 0.00 0.00 0.00 46.50 270.50 398.50 326.50 81.00 0.00 0.00 0.00 1676.00
NO YRS 114 115 114 114 114 112 109 109 110 111 111 114 97